def test_execute():
docker_compose = DockerComposeExecutor("docker-compose.yml", "pytest123")
with mock.patch("subprocess.check_output") as check_output:
docker_compose.execute("up")
assert check_output.call_args_list == [
mock.call(
'docker-compose -f "docker-compose.yml" -p "pytest123" up',
shell=True,
stderr=subprocess.STDOUT,
)
]
def test_pypath_compose_files():
compose_file = py.path.local("/tmp/docker-compose.yml")
docker_compose = DockerComposeExecutor(compose_file, "pytest123")
with mock.patch("subprocess.check_output") as check_output:
docker_compose.execute("up")
assert check_output.call_args_list == [
mock.call(
'docker-compose -f "/tmp/docker-compose.yml"'
' -p "pytest123" up',
shell=True,
stderr=subprocess.STDOUT,
)
]
def docker_services(docker_compose_file, docker_compose_project_name,
tmp_path_factory):
# overriding `docker_services` fixture from `pytest_docker` plugin to
# only launch docker images once.
from filelock import FileLock
from pytest_docker.plugin import DockerComposeExecutor, Services
executor = DockerComposeExecutor(docker_compose_file,
docker_compose_project_name)
# making sure we don't accidentally launch docker-compose in parallel,
# as it might result in network conflicts. Inspired by:
# https://github.com/pytest-dev/pytest-xdist#making-session-scoped-fixtures-execute-only-once
lockfile = tmp_path_factory.getbasetemp().parent / "docker-compose.lock"
with FileLock(str(lockfile)): # pylint:disable=abstract-class-instantiated
executor.execute("up --build -d")
return Services(executor)
def test_wait_until_responsive_timeout():
clock = mock.MagicMock()
clock.side_effect = [0.0, 1.0, 2.0, 3.0]
with mock.patch("time.sleep") as sleep:
docker_compose = DockerComposeExecutor(
compose_files="docker-compose.yml",
compose_project_name="pytest123")
services = Services(docker_compose)
with pytest.raises(Exception) as exc:
print(
services.wait_until_responsive(check=lambda: False,
timeout=3.0,
pause=1.0,
clock=clock))
assert sleep.call_args_list == [
mock.call(1.0), mock.call(1.0),
mock.call(1.0)
]
assert str(exc.value) == ("Timeout reached while waiting on service!")